Nut-lock.



I. E. TEAGUE.

NUT LOCK.

APFLICAHON HLEI) MAY zll. 1911.

1,291,250. Patented Jan. 14,1919.

INVENTOR WITNESSES d $6M BY xumww,

ATTORNEY u it AND stat LOCKS.

UNITED STATES PATENT OFFICE.

ISAAC E. TEAGUE, 0F WHITEWRIGHT, TEXAS.

NUT-LOCK.

Application filed May 28, 1917.

To all whom it may concern:

Be it known that I ISAAC E. TnAc-Un, a citizen of the United States, residing at Vvhitewright in the county of Grayson and State of Texas, have invented certain new and useful Improvements in Nut-Locks. of which the following is a specification.

This invention relates to new and useful improvements in nut locks and the principal object of the invention is t provide a device of this character which will prevent the nut from working loose after being tightened.

Another object of the invention is to prw vide a combined washer and locking means for the nut.

Another object of the invention is to provide a spring plate of elongated form on which the nut is to be seated and another plate hinged to the first plate and having means theron cngagin with the nut.

Another object of t e invention is to pro vide a device of this character which is simple and durable in construction, reliable and efiicient in operation and one which can be manufactured and placed upon the market at a. minimum cost.

The invention also consists in certain other features of construction and in the combination and arrangement of the several parts. to be hereinafter fully described, illustrated in the accompanying drawings and specifically pointed out in the appended claims.

In describing my invention in detail, reference will be had to the accompanying drawings, wherein like characters denote like or corresponding parts throughout the several views, and in which:

Figure 1 is a side view of splicing means for a rail joint to which my invention is attached.

Fig. 2 is a section on 2 2 of Fig. 1.

Fig. 3 is a perspective view of the nut lock.

Fig. 4 is a front view showing a modification.

Fig. 5 is a like view with the parts in a different position.

Fig. 6 is a side view of Fig. 4.

In these drawings, 1 represents one rail and 2 the other while 3 indicates the splicing means. Said means consists of a pair of plates 4 and 5 made to conform to the web and bottom flange of the rails and 6 indicates the bolts for securing the plates Specification of Letters Patent.

Patented Jan. 14, 1919.

Serial No. 171,502.

to the web of the rail, as shown in the drawings.

My invention consists of a nut lock for preventing movement of the nuts on these bolts and it comprises a spring plate 7 having a hole 8 near one end. Said plate is of elongated form and has its end rolled up as at 9 to receive a pin 10, said pin being carried by the turned over edges 11 of a second plate 12. Said second plate is made wider than the spring plate, so that said spring plate may lie within the turned over edges when the plates are brought together. The plate 12 has a. hole 13 made therein near its free end and said hole is to be made of such a size as to fit over the nut to which the de vice is to be applied. I prefer to turn over the metal from this cut out portion to increase the thickness of the metal around this opening so as to make a broad bearing for the sides of the nut, as I find that locks made of steel and used in connection with rails will cut into the soft iron nut and thus form a groove in the nut so as to destroy the usefulness of the lock and allow the nut to turn.

The extreme end of the plate 12 is bent upwardly and tapered off to form a lifting piece L1 and the turned up edges or flanges 11 inclined downwardly from the hinged end to the beginnin of this lifting piece.

The spring p ate 7 is placed over the bolt and the nut screwed on the bolt on top of this plate, the plate 12 being swung up at right angles to the spring plate so as to be out of the way in this operation. After the nut is tightened the plate 12 is turned down so that the hole 13 therein will engage with the nut. Thus, any movement of the nut must be transmitted to the locking device and this movement is checked b the end of the device coming against the ange of the splicing means and thus the nut is securely held in place. The spring plate also acts as a washer for the nut and due to its spring action it serves to lock the same on the bolt.

In the modification shown in Figs. 4, 5 and 6 the device is used on a bolt 6' holdin two members a and 6 together. In this form of the invention the plate 7 is formed with a right angular extension 7" extended from the end thereof and the end of this extension is bent downwardly to provide a holding tab 7 This form of the invention is adapted to be used on flat surfaces Where there are no projections for the plate to engage. The tab 7 grips the edge of the member a, thus holding the plate against movement.

These figures also show an arrangement of hinged plate 12 which has slidin movement on plate 7 and to provide suc movement I form slots 12 in the flanges 12* of this plate with which the pin 10' of the hinge engages. Thus the plate 12 may slide on the plate 7 so that it is not necessary to swing the plate 12 upwardly in the operation of placing the device on the bolt. This engagement is necessarily in situations where such swinging movement would be prevented by lack of space. The upward movement of the plate 152 neeessar 1 to place said plate over the nut is permitted by the resili ency of the lates.

It is thong 1t from the foregoing that the advantages and novel features of my invention will be readily apparent.

I desire it to be understood that I may make slight changes in the construction and in the combination and arrangement of the several parts, provided that such changes fall within the scope of the appended claims.

I claim as my 1nvention:

l. A nut lock comprising a spring plate having a hole therein for receiving one end i of the bolt, a second plate having its edges turned down to form flanges, said second plate being inclined downwardly and provided with a hole in the end thereof for receiving the nut, and the first mentioned plate being hingedly connected beneath the second plate and within the flanges, in an inclined position.

2. A nut lock comprising an elongated plate provided with an opening therem to engage the bolt, one end of said plate being bent at a right angle and provided with a flange to engage with the immovable part of the element carrying the bolt a second plate inclined downwardly and aving its edges turned down to form flanges, said flanges being provided with enlongated slots closed at both ends, and the first mentioned late be provided with a pin that engaged with the slots of the flanges, thus giving the second mentioned plate a sliding movement.

8. A nut lock comprising an elongated plate provided with an opening therein to engage the bolt, means carried by said plate adapted to engage with the immovable part of the element carrying the bolt, a second plate inclined downwardly and having its edges turned down to form flanges, said flanges being provided with slots closed at both ends, saidfirst mentioned plate being provided with a pin that engages with the slots of the flanges, and said second mentioned plate having an opening in its lower end adapted to engage the nut when the plate is slid forward.

In testimony whereof I affix my signature in presence of two witnesses.

ISAAC E. TEAGUE.

\Vitnesses J. O. SKAces, F. T. HARRIS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0." 

